Subtract 10/9 from 80/63
1st number: 1 17/63, 2nd number: 1 1/9
80/63 - 10/9 is 10/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
80/63 = 80 × 1/63 × 1 = 80/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
10/9 = 10 × 7/9 × 7 = 70/63 - Subtract the two like fractions:
80/63 - 70/63 = 80 - 70/63 = 10/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/63-20/9 80/63-10/18 80/63-30/9 80/63-10/27 80/63-50/9 80/63-10/45 80/63-70/9 80/63-10/63